熵導數 的英文怎麼說
中文拼音 [shāngdǎoshǔ]
熵導數
英文
entropy derivative-
Basing on the two order tangency at initial point between isotropic curve and hugoniot curve, a new method for calculating cold energy cold pressure and cohesive energy for solid is presented in the paper, comparison with experimental data manifest that this method is very good and can be applied
利用在初始點等熵線和沖擊絕熱線二級相切的性質，給出了一種可用於計算固體冷能冷壓和結合能的新方法，並推導了利用hugoniot參數計算結合能的公式。與實驗數據的比較表明，這種方法是有效可行的。The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point
系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關，因此研究比熱與溫度的依賴關系能夠提供被測量系統許多極其有用的微觀信息，對理解固體的電子結構、電子態密度、聲子譜等起著十分重要的作用。低溫比熱的測量和研究對熱力學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比熱研究還有助於認識各類相變如結構相變，磁性相變，超導相變等及臨界點附近的標度規律。First, one main work of test equating is to estimate equating coefficients, in the paper in the light of item response theory an abstract form is introduced, which makes all test equating methods in uniform, by the abstract form, the relationships among the existed methods being found out, and some new methods being derived, including relative entropy equating method and logcontrast equating method
本文在項目反應理論（ itemresponsetheory ， irt ）框架下提出了一種抽象形式將目前已有的各種等值系數估計方法統一表示，通過統一表示找出了各種等值方法之間的關系，並導出了幾種新的等值方法，其中包括相對熵（ relativeentropy ）等值法和對數對照（ logcontrast ）等值法。A distribution function of droplet volume was derived using the information entropy
採用最大熵原理，推導出噴霧場液滴體積分佈函數。As far as the system observation for accuracy evaluation of carrier rocket is concerned, there may exist different types of observed data and priors. heterogeneous information means that the different information describing the different characteristics of the same object. since all of the information is relevant to the same object, the fusion is possible. it is a key problem that how to fuse the heterogeneous information to obtain the better evaluation result. therefore, the different heterogeneous information and data is thoroughly studied, moreover, the mathematical description for information fusion of different parameter priors and data is constructed in this paper. based on their relationship between different parameters, indirect prior and observation data is transformed into prior in impact point observation space, which is fused with original prior by weight determined by maximum entropy rule to obtain the mixed posterior distribution. therefore, the test results can be given by combining posterior distribution and impact error observed data. then its application on evaluating guidance systematic error is elaborated as it applies trajectory tracking data, test value of coefficients of guidance instrumentation systematic error, impact point observation data and prior. especially, the advantage of this method lies in its application in case that guidance instrumentation systematic error may not be computed precisely. finally a detailed example on evaluation of carrier rocket is given to verify the theory
為充分利用運載火箭觀測中的不同觀測空間和過程的信息來進行精度評估，針對該背景建立了異質先驗融合的數學描述.研究了飛行試驗中不同觀測空間和過程的異質先驗信息和數據，基於不同觀測過程的解析關系，將間接過程的先驗和觀測數據算出的后驗分佈轉換成落點觀測空間上的先驗，與原落點的先驗進行了最大熵加權融合，得到混合后驗分佈，從而結合落點觀測數據給出評定結果.在無法解算出精確的制導工具誤差系數的情況下，這種方法充分利用了彈道跟蹤數據、工具誤差系數的地面測試先驗值、落點先驗及落點數據，穩健性更好，準確性更高The applications of shannon entropy and kullback ' s cross - entropy as perturbations are discussed. by maximizing the perturbed lagrangians in dual space, we obtain the exponential penalty function and exponential multiplier penalty function, respectively, for inequality constrained nlps
文中分別以shannon熵函數和kullback叉熵函數作為攝動函數，導出其對偶函數分別是原問題的指數罰函數和指數乘子罰函數。Considering the fuzziness of some boundary conditions enviroment media, and especially some loads in the engineering structure analysis, we go further into the computation based on the dynamic problem of fuzzy finite element ( ffe ), study further and systematically the analysis and solution. the principle of fuzzy minimum potential energy is established, and the balance equation of fuzzy finite element is reasoned by making fuzzy variation. at the same time, the dynamic balance equation of stochastic by making stochastic variation ， also the fuzzy stochastic dynamic balance equation is deduced. based the theory that the degree of the fuzziness and probability can be measured, in the other word, by using the concept of fuzzy entropy and entropy, pure fuzzy dynamic structure is given through transforming the probability to fuzziness. for the fuzzy parameter can be regarded as a fuzzy vector with dimensions, the structure ' s eigenvalue, by the theory of small parameter
建立了模糊瞬時最小勢能原理，運用模糊變分原理導出了模糊有限元動力平衡方程；同時，利用隨機變分原理導出了動力問題的隨機有限元方程，同時得到了模糊隨機動力問題的有限元平衡方程。根據模糊度和概率度可以度量的原理，即利用模糊熵和概率熵的概念，把結構的隨機性等效地轉化為結構的模糊性，得到純粹模糊性的動力結構。把結構所具有的模糊參數看作一個維的模糊向量，利用小參數攝動原理，把結構的特徵值，特徵向量和位移都在模糊向量的均值處進行泰勒展開，得到一組遞歸方程，即可以求得結構的模糊特徵值，特徵向量和模糊位移。Due to the poor regularity of solutions at large time. ( 0. 2. 1 ) can not defined in classical way. i, e., the defi nition of the derivatives at any points has no sense. so it may be rather difficult in the research of classical way and must be defined in weak sense. in order to guarantee the uniqueness of weak solutions, a condition ( entropy inequality ) must be need to pick out " good " solution ( entropy solutions )
由於大時間范圍內守恆律（ 0 . 1 . 1 ）的解表現為很差的正則性，它不能在古典意義下定義，即在每一點下的導數無意義，使得古典辦法研究遇到很大困難，它只能在弱意義下定義弱解，但往往這種弱解不唯一，需要某條件限制確保解的唯一性，在數學上稱為熵條件，滿足該條件的弱解稱為熵解。Based on maximum entropy algorithm, analyzing the blurring mechanism with the aberration of point spread function of imaging system, an effective restoration algorithm for blurred image with mist is proposed in this paper
文章基於最大熵演算法，分析了成像系統點擴展函數畸變導致圖像模糊的機理，提出了一種有效的薄霧模糊圖像的恢復演算法。On the other hand through the numerical simulation and the theoretical analysis, the characteristics of electro - magnetic implosion and detonation driven implosion have been compared, and it is concluded that the ability of driving liners with the electro - magnetic implosion is much stronger than that of detonation driven implosion
利用計算結果和炸藥驅動內爆進行了比較，並結合理論分析得出了磁壓驅動套筒內爆達到高速的能力要強于炸藥驅動的結論。同時以上述理想導體模型對磁驅動等熵壓縮進行了流體力學數值模擬，從數值模擬的角度論證了磁驅動加載可以進行等熵壓縮實驗。Second, a novel algorithm named model predicition ( mp ) is proposed to wipe off spectral correlations of hyperspectral images. mp algorithm finds the linear model of hyperspectral images, in which predictive coefficients are set up that is based on snr. because predictive coefficients include current spectral band, average entropy of the error data is decreased and snr is increased after mp
Mp演算法建立了高光譜圖像的線性模型，推導出了信噪比意義下的最佳預測系數，由於系數中包含了當前譜帶的數據，因此經過mp演算法去相關之後，殘差圖像的平均熵有所降低，同時信噪比提高很多。Two objects functions were deduced, which of the maximum likelihood method and the conventional bayes " method, with the application of principle of maximum entropy. under the information theory, more applications are provided to those back analysis methods
論文應用最大熵原理推導了最大似然法和傳統貝葉斯法的準則函數，從信息論的角度為這兩種反演分析方法的發展開拓了更廣闊的應用空間。We try the unsupervised wsd method based on equivalent pseudowords by the na ? ve bayes model and maximum entropy in paper. it gets 81 % correct rate on the test data of senseval - 3, which is obvious better than supervised method accordingly
利用得到的兩種較優的機器學習方法:貝葉斯模型及最大熵模型，本文嘗試了基於等價偽詞的無指導詞義消歧方法，在senseval - 3的測試數據上獲得了81 %的正確率，明顯優于相應的有指導方法。分享友人